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Chromapedic Acid, Pulvinic Acids and Acetophenone Derivatives from the Mushroom Leccinum chromapes (Boletales)
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June 2, 2014
The pigment responsible for the bright-yellow color of the stalk bases of Leccinum chromapes is methyl isoxerocomate, which is accompanied by lesser amounts of isoxerocomic acid and atromentic acid. In addition, 4ʹ-hydroxy- and 3ʹ,4ʹ-dihydroxyacetophenone, previously unreported as metabolites of Basidiomycetes, were isolated. The pink color of the cap skin is due to variegatorubin. This pigment is accompanied by chromapedic acid, a g-butenolide of biosynthetic interest representing a new dimerization mode of 4-hydroxyphenylpyruvic acid in Boletales.
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Chromapedic Acid, Pulvinic Acids and Acetophenone Derivatives from the Mushroom Leccinum chromapes (Boletales)
Received: 2013-12-2
Published Online: 2014-6-2
Published in Print: 2014-4-1
© 1946 – 2014: Verlag der Zeitschrift für Naturforschung
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Articles in the same Issue
- Structure and Properties of 2,3,3,3-Tetrafluoropropene (HFO-1234yf)
- Strontium-Metallide im Bereich des Schnitts SrIn4 – SrHg4 / Strontium Metallides along the Section SrIn4 – SrHg4
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- Reaction of N-Methylimidazole and Dimethyl Acetylenedicarboxylate in the Presence of N-Phenyl Carbamate under Solvent-free Conditions
- Diastereoselective Aerial Oxidative Cyclization of Methylenebisnaphthols Catalyzed by N-Hydroxyimides in the Presence of Fe3+ and Co2+-Mn2+ Catalysts
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